15890171

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 18240768

約数和(自身を除く): 2350597

約数列:

[1, 11, 23, 181, 253, 347, 1991, 3817, 4163, 7981, 45793, 62807, 87791, 690877, 1444561, 15890171]

約数ペア:

[(1, 15890171), (11, 1444561), (23, 690877), (181, 87791), (253, 62807), (347, 45793), (1991, 7981), (3817, 4163)]